rohit (rohit_maurya)

Race #455

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Official speed 44.96 wpm (75.53 seconds elapsed during race)
Race Start July 30, 2020 11:06:20am UTC
Race Finish July 30, 2020 11:07:36am UTC
Outcome No win (2 of 5)
Accuracy 95.0%
Points 33.72
Text #4060102 (Length: 283 characters)

Transformers and most electric motors operate on alternating current. In such devices the flux in the iron changes continuously both in value and direction. The magnetic domains are therefore oriented first in one direction, then the other, at a rate that depends upon the frequency.